ON-BOARD DIAGNOSTIC
F–133
F
F
FUEL AND EMISSION CONTROL SYSTEMSON-BOARD DIAGNOSTIC
STEP INSPECTION ACTION
6 INSPECT CMP CIRCUIT FOR SHORT TO
GROUND
• Inspect continuity between following terminal
and body ground:
— CMP sensor connector terminal A (harness-
side)
— CMP sensor connector terminal B (harness-
side)
• Is there any continuity?
Yes Repair or replace suspected harness, then go to Step 15.
No Go to next step.
7 INSPECT CMP CIRCUITS FOR SHORTS
• Inspect continuity between CMP sensor
connector terminals A and B (harness-side).
• Is there any continuity?
Yes Repair or replace suspected harness, then go to Step 15.
No Go to next step.
8 INSPECT POOR CONNECTION OF PCM
CONNECTOR
• Disconnect PCM connector.
• Inspect for poor connection (damaged, pulled-
out terminals, corrosion, etc.).
• Is there any malfunction?
Yes Repair terminal, then go to Step 15.
No Go to next step.
9 INSPECT CMP CIRCUIT FOR OPEN CIRCUIT
• Inspect continuity between following circuits:
— CMP sensor terminal A (harness-side) and
PCM terminal 2M (harness-side)
— CMP sensor terminal B (harness-side) and
PCM terminal 2J (harness-side)
• Is there continuity?
Yes Go to Step 11.
No Repair or replace suspected harness, then go to Step 15.
10 INSPECT CMP SENSOR
• Turn ignition key to OFF.
• Perform CMP sensor inspection.
(See F–55 CAMSHAFT POSITION (CMP)
SENSOR INSPECTION.)
• Is CMP sensor okay?
Yes Go to Step 15.
No Replace CMP sensor and go to step 15.
11 VERIFY CKP SENSOR INSTALLATION
• Verify CKP sensor installation.
(See F–54 CRANKSHAFT POSITION (CKP)
SENSOR REMOVAL/INSTALLATION.)
• Is CKP sensor installed correctly?
Yes Go to next step.
No Reinstall CKP sensor and go to Step 15.
12 VERIFY VALVE TIMING MECHANISM
INSTALLATION
• Verify valve timing mechanism installation for
following parts:
— Timing chain misinstallation
— Loose camshaft sprocket lock bolt
— Loose crankshaft pulley lock bolt
• Is valve timing mechanism installed correctly?
Ye s L3: Go to the next step.
L8, LF: Go to Step 15.
No Reinstall valve timing mechanism and go to Step 15.
13 INSPECT STOPPER PIN MECHANISM
• Remove timing chain.
• Inspect stopper pin.
(See B–32 VARIABLE VALVE TIMING
ACTUATOR INSPECTION.)
• Is stopper pin mechanism okay?
Yes Go to next step.
No Replace variable valve timing actuator, then go to Step 15.
14 INSPECT ROTOR POSITION
• Remove variable valve timing actuator.
(See B–32 VARIABLE VALVE TIMING
ACTUATOR REMOVAL/INSTALLATION.)
• Is rotor position at maximum valve timing
retard?
Ye s VARIABLE VALVE TIMING MECHANISM IS NORMAL
Note
• This DTC detected by intermittent concern.
• Intermittent concern might be removed by cleaning
mode of variable valve timing control function.
Go to next step.
No Replace variable valve timing actuator, then go to next step.
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